CHAPTER
2
Introduction
WARNING
To ensure personal safety, read See "Safety Information - Read First" on the next page for more
information. and See "Cautions" on the next page for more information. before using the
detector.
The BW MaxXT II gas detector (“the detector”) warns of hazardous gas at levels above user-
defined alarm setpoints.
The detector is a personal safety device. It is your responsibility to respond properly to the
alarm.
Gases Monitored
The following table lists the gases that are monitored by the detector.
Gas Detected Unit of Measure
Hydrogen sulfide (H
2
S) parts per million (ppm)
Carbon monoxide parts per million (ppm)
Combustible gases (LEL)
a) percent of lower explosive limit (%LEL)
b) percent by volume methane 0-5.0% v/v
Oxygen (O
2
) % volume
CAUTION: FOR SAFETY REASONS, THIS EQUIPMENT MUST BE OPERATED AND SERVICED
BY QUALIFIED PERSONNEL ONLY. READ AND UNDERSTAND THIS TECHNICAL REFERENCE
GUIDE COMPLETELY BEFORE OPERATING AND SERVICING.
BW MaxXT II 6 User Manual